The Houyhnhnm reference article from the English Wikipedia on 24-Apr-2004
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Houyhnhnm

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Houyhnhnms are a race of intelligent horses described in the last part of Jonathan Swift's satiric Gulliver's Travels. The name can be pronounced Whin-hin-ems, as if 'whinny' were linked to the -nym element of, for example, 'synonym'.

Some of Jonathan Swift's dark vision affects the subtext of the movies Planet of the Apes.